Home / 126,400.59-174,431.75-69,810.75

Finding the Fourth Proportional to 126,400.59, 174,431.75 and 69,810.75

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Solution

The fourth proportional to 126,400.59, 174,431.75 and 69,810.75 is: 96,338.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,400.59 : 174,431.75 = 69,810.75 : x
  2. Step 2: Convert to fraction form
    126,400.59/174,431.75 = 69,810.75/x
  3. Step 3: Cross multiply
    126,400.59x = 174,431.75 × 69,810.75
  4. Step 4: Simplify right side
    126,400.59x = 12,177,210,942.26
  5. Step 5: Solve for x
    x = 12,177,210,942.26/126,400.59
  6. Step 6: Final answer
    x = 96,338.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.